scientist does test

What are hormones and what do they do


I’ll tell you a secret. Hormones are these incredible chemicals that can impact your mood, your behavior, and your feelings of optimism, or pessimism.

The amazing thing about hormones is that hormones impact all those things.

But,  all those things  – how we feel  – and – what we do, and -what we think – also can impact our hormones.

And, you know, what? This is not my fantasy, this is one more study from Harvard Medical School.

It’s a very fascinating area of biology:

How the hormonal system affects each of us every day in both waking up and sleeping and throughout our lifespan.

They are really studying this. Guys with Ph.D. from Harvard Med School.


We all want to feel good, look good and avoid scary health problems.


Here, we’re going to concentrate on estrogen and testosterone and their derivatives.

Estrogen and testosterone and their derivatives are what we call sex steroids.

Now, the sex steroids immediately call to mind sex, for obvious reasons, and steroids mean anabolic steroids.

But I just want to emphasize that estrogen and testosterone are present in everybody, it’s their ratios that determine their effects.

So, how you can optimize their ratios depending on your particular life goals?

The ratio of estrogen and testosterone in every individual has a profound influence on feelings of well-being, feeling of optimism, feeling of anxiety or lack of anxiety, on reproduction, on sexual behavior independent of reproduction.

They are profoundly powerful molecules, and we all make these molecules, to some degree or another.

But there are also important behavioral tools, supplementation tools, as well as prescription drugs that can impact the ratios of testosterone and estrogen in really powerful ways.

ATTENTION: When you hear sex steroids or steroid hormones, you may start thinking about anabolic steroids.

And of course, anabolic steroids are derivatives of testosterone itself, and they are heavily used and abused in the sports community as well as outside the sports community.

They’re, of course,  many steroids that are not anabolic steroids that are also abused in sports. When people hear the word steroids, they think about using anabolic steroids.


Where hormones come from

There are a lot of different glands in the body that produce hormones.

There’s the pineal gland, some hormones are made in the hypothalamus, and hormones are made by the gonads, the ovaries, or the testes. You’ve got the thyroid gland, there are a bunch of different glands that make these different hormones.

But when we’re talking about the sex steroid hormones, estrogen, and testosterone, the major sources are ovarian –  for estrogen and the testes  -for testosterone.

Most, or 95%, of testosterone, is made in testicles or testes. All men and most women know that the testicles, commonly called balls, are an appendix on a male body behind the penis.
The balls are very interesting organs.

They’re mostly made up of tubules, which produce sperm – that’s the male contribution to sex and human reproduction.

These tubes have testosterone-producing cells. In males, testosterone is responsible for the production of sperm and for the development and maintenance of male sexual characteristics.

Testosterone secretion is primarily regulated by gonadotrophin levels in the blood. Gonadotrophin involves a number of hormones.

Although the adrenals can also make testosterone.

Now, there are also some enzymes. 

Enzymes are things that can change chemical composition.

And the enzymes, that we’re going to talk about, are aromatases.  The aromatases convert testosterone into estrogen. So in a male, for instance, that has very high testosterone, some of that is going to be converted into estrogen by aromatase, and aromatase enzyme is made by body fat.

What does testosterone do with men?

Testosterone secretion in men performs these functions:

  • It promotes what is generally regarded as machismo or masculinity, by the development and upkeep of male secondary sexual characteristics, including such organs as the prostate gland, the seminal vesicles, and male sexual behavior. It is very closely linked to male libido and has a significant role here.
  • It helps regulate metabolism and is sometimes called anabolic hormone because it stimulates anabolic protein. This means it helps turn proteins into far more complex chemicals. That process is the opposite to catabolism, which is the digestive process. In doing this, it promotes the growth of muscles and bones.
  • It affects how men store fat within their bodies.
  •  It is involved in the production of blood.
  • Men’s mood is often affected by their testosterone levels. Testosterone is what motivates numerous men in sports, business, work, and life.

Testosterone production is minimally prepubescent, but increases massively during puberty, and decreases after ages 30-35.

Testosterone free and total

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